Step-by-step explanation:
this is the answer in the picture
Answer:
m<BEC = 40o
Step-by-step explanation:
Answer:
x+3
Step-by-step explanation:
Area of a rectangle is
.
We know the width, W, is
and we know the area is
.
Inputting this in our formula above we get:

L is a an expression such that when you multiply it to
gives you
.
is a difference of squares and can be factored using:
.
.
So L=x-3 and W=x+3.
Answer:
5
Step-by-step explanation:
5 is in the middle between each set of numbers making it the intersecting number
You have 70% chance of picking the black marble up